Compressor Discharge Or Top 1/2 Temperature Sensor Error - Samsung AM072/096/120/144FXVAFH Service Manual

Troubleshooting

Compressor Discharge or Top 1/2 Temperature sensor error

✳✳
AM038/048/055KXWD
Outdoor unit display
Operation Defrost
Indoorunit display
※ ● : ON ◑ : Flash × : OFF
Judgment Method ∙ Refer to the how to check below.
Cause of problem ∙ Compressor discharge or Top temperature sensor defective. (Open / Short)
1. How to check
Did the compressor discharge or Top
temperature sensor connector breakaway from
the PCB?
Yes
After separating the compressor discharge or
Top temperature sensor connector from the PCB,
measure the resistance value between the two
terminals.
Did the resistance value significantly stray from
the following temperature table?
Yes
Restart after replace the PCB
4-54
(Compressor 1 Discharge)
(Compressor 1 Top)
Duct, Cassette (1/2 Way),Console, Celing
Timer Fan Filter/MPI Operation Defrost
◑ × × ◑
×
Restart after connecting the connector to PCB
Resistance value measure part
TOP(OLP)
Replace this part as it is the defective of the
compressor discharge or Top temperature
(cont.)
Cassette (4/Mini4 Way)
Timer Filter
◑ × ◑ ×
TOP
(OLP)
No
Temperature (°C) Resistance (KΩ)
Resistance value measure part
Discharge
No
sensor itself.
Wall-mounted (NeoForte)
18℃ 21℃ Turbo 24℃ 27℃
◑ × × ◑ ×
Discharge
130 8.9
120 11.2
100 18.5
80 32.0
60 59.0
25 200.0
20 242.0
10 362.0
0 553.0
Samsung Electronics